body{
  min-height:100vh;
  background: linear-gradient(135deg, #ff4fd8, #7c4dff, #21d4fd);
  background-size:200% 200%;
  animation:bgShift 12s ease infinite;
}
@keyframes bgShift{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
.big{font-weight:900;}
.countdown{font-size:clamp(60px,15vw,160px);}
.winner{font-size:clamp(40px,10vw,120px);}